Two problems related to electrical system have been reported for the 2010 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Mercury Grand Marquis based on all problems reported for the 2010 Grand Marquis.
The contact owns a 2010 Mercury Grand Marquis. The contact stated that the air conditioning unit failed and would only emit air from the defroster and under seat vents. The contact also stated that the trunk light illuminated even though the trunk was closed. The vehicle was taken to the dealer for inspection where they stated that the air conditioner and trunk latch needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 63,000.
The contact owns a 2010 Mercury Grand Marquis. The contact stated that the air conditioning system failed. The air conditioning would erroneously blow through the defrost system. The vehicle was taken to the mechanic for inspection where the failure was located at the temperature control unit. The contact also stated that the temperature control unit was replaced twice prior to the recent failure. The manufacturer advised that they were aware of the failure and that the temperature control unit was on back order. The vehicle was not repaired. The failure mileage was 9,000 and the current mileage was 78,000.
| Electrical System problems | |
| Trunk Wiring problems |